Damian Quillinan, 43, pleaded guilty on Nov. 13 to having more than 14,000 pornographic images of children on computers and external hard drives at his home. Quillinan downloaded the images from the Internet between February 2014 and August 2016, prosectutors and the FBI said.

Quillinan was also sentenced to a life-term of supervised release once his prison term ends. Quillinan will also be required to register as a sex offender, authorities said.